Pith Number

pith:O5CHLRCV

pith:2006:O5CHLRCV43GWAIZW4JI7JCPBIJ

not attested not anchored not stored refs pending

Observations of Comet 9P/Tempel 1 with the Keck 1 HIRES Instrument During Deep Impact

Anita L. Cochran, Karen J. Meech, Micah Glaz, William M. Jackson

arxiv:astro-ph/0609134 v1 · 2006-09-05 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5CHLRCV43GWAIZW4JI7JCPBIJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T16:59:21.444789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

774475c455e6cd602336e251f489e142663f26c436f9d431809a5ca6ce765777

Aliases

arxiv: astro-ph/0609134 · arxiv_version: astro-ph/0609134v1 · doi: 10.48550/arxiv.astro-ph/0609134 · pith_short_12: O5CHLRCV43GW · pith_short_16: O5CHLRCV43GWAIZW · pith_short_8: O5CHLRCV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/O5CHLRCV43GWAIZW4JI7JCPBIJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 774475c455e6cd602336e251f489e142663f26c436f9d431809a5ca6ce765777

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5287139c575edc0cdb2dc9e32c8e96b16d99c64c012284ead3a8b7f7190e3660",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-05T22:27:46Z",
    "title_canon_sha256": "83a75de45a6431bc77413a34272d1744079bc74b88edcd47eee2410943b8cd03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609134",
    "kind": "arxiv",
    "version": 1
  }
}